污水处理厂技改工程-污泥浓缩池施工图设计结构计算书

计算软件名称及版本号：理正结构工具箱7.0PB4版圆形水池污泥浓缩池设计(YSC-1)执行规范:《混凝土结构设计规范》(GB50010-2010),本文简称《混凝土规范》《建筑地基基础设计规范》(GB50007-2011),本文简称《地基规范》《建筑结构荷载规范》(GB50009-2012),本文简称《荷载规范》《给水排水工程构筑物结构设计规范》(GB50069-2002),本文简称《给排水结构规范》《给水排水工程钢筋混凝土水池结构设计规程》(CECS138-2002),本文简称《水池结构规程》钢筋：d-HPB300;D-HRB335;E-HRB400;F-RRB400;G-HRB500;Q-HRBF400;R-HRBF500-----------------------------------------------------------------------1设计资料1.1基本信息圆形水池形式:敞口池内液体重度10.0kN/m3浮托力折减系数1.00裂缝宽度限值0.20mm抗浮安全系数1.10水池的几何尺寸如下图所示:1.2荷载信息地面活荷载:10.00kN/m2活荷载组合系数:0.90荷载分项系数:自重:1.20其它恒载:1.27地下水压:1.27其它活载:1.40荷载准永久值系数:顶板活荷载:0.40地面堆积荷载:0.50地下水压:1.00温(湿)度作用:1.00活载调整系数:其它活载:1.00壁面温差:10.0℃温差内力折减系数:0.65混凝土线膨胀系数:0.000010考虑温度材料强度折减：受热温度10.0℃1.3混凝土与土信息土天然重度:18.00kN/m3土饱和重度:20.00kN/m3土内摩擦角ψ:30.0度地基承载力特征值fak=120.00kPa基础宽度和埋深的地基承载力修正系数ηb=1.00、ηd=1.00混凝土等级:C30纵筋级别:HRB400混凝土重度:25.00kN/m3配筋调整系数:1.20纵筋保护层厚度:位置顶板(mm)池壁(mm)底板(mm)上侧(内侧)-4040下侧(外侧)-35402计算内容（1）荷载标准值计算（2）抗浮验算（3）地基承载力计算（4）内力及配筋计算（5）抗裂度、裂缝计算（6）混凝土工程量计算3荷载标准值计算底板:恒荷载:池壁自重:8.66kN/m2覆土自重:5.25kN/m2活荷载:地面活荷载:1.17kN/m2池壁:恒荷载:池内水压力:45.00kN/m2池外侧土压力(池底):15.00kN/m2活荷载:温差作用:12.19kN.m/m地面活荷载:3.33kN/m24地基承载力验算:计算基础底面的压力：池壁内壁圆面积:Aic=πR2=3.14×6.0002=113.10m2池壁外壁圆面积:At=π(R＋t)2=3.14×(6.000＋0.25)2=122.72m2池壁自重Gs=γc×As×H=25.00×9.62×5.000=1202.64kN底板自重Gb=γc×Ab×t2=25.00×138.93×0.40=1389.29kN水池自重Gp=Gs＋Gb=1202.64＋1389.29=2591.93kN挑出部分覆土重Gexs=γ土×(Ab－At)×(Hb－t2)=18.00×(138.93－122.72)×(2.900－0.40)=729.48kN池内水自重Gw=pw×Aic=45.00×113.10=5089.38kN外挑部分活荷载Gqm=qm×(Ab-At)=10.00×(138.93-122.72)=162.11kN基础底面的压力pk=(Gp＋Gw＋Gexs＋Gqm)/Ab=8572.90/138.93=61.71kPa基础宽度大于3m或埋置深度大于0.5m，需修正承载力特征值计算地基承载力特征值修正值：fa=fak＋ηbγ(b-3)＋ηdγm(d-0.5)地下水位位于底板下1m以下，不考虑地下水水池底板底下的土的重度γ=γ土=18.00kN/m3水池底板底以上土的加权平均重度γm=γ土=18.00kN/m3fa=120.00＋1.00×18.00×(6.000－3)＋1.00×18.00×(2.900－0.5)=217.20kPapk=61.71kPa<fa=217.20kPa地基承载力满足5抗浮验算:地下水位位于基底以下,无需验算6内力及配筋计算:(轴力:kN弯矩:kN.m面积:mm2配筋面积:mm2/m)池壁:弯矩外侧受拉为正，轴力受拉为正顶板:下侧受拉为正,底板:上侧受拉为正按《给水排水工程结构设计手册》静力计算查表池壁的约束条件:上端自由,下端固定池壁内力计算查表系数H2/dt=5.0002/12.250×0.25=8.16荷载组合:（1）闭水试验：池内有水，池外无土（2）使用时池内无水：池内无水，池外有土（3）正常使用：池内有水，池外有土闭水试验：基本组合:1.27×池内水作用＋1.40×温度作用标准组合:1.00×池内水作用＋1.00×温度作用准永久组合:1.00×池内水作用＋1.00×温度作用设计值/标准值/准永久值位置竖向弯矩环向弯矩环向轴力0.00H0.00/0.00/0.0014.22/10.16/10.16229.22/163.45/163.450.10H3.29/2.35/2.3514.77/10.55/10.5585.45/63.66/63.660.20H8.96/6.39/6.3915.71/11.22/11.2245.43/38.00/38.000.30H13.72/9.81/9.8116.51/11.79/11.7968.25/57.27/57.270.40H17.86/12.83/12.8317.20/12.29/12.29116.97/94.92/94.920.50H19.72/14.24/14.2417.51/12.53/12.53164.72/131.35/131.350.60H21.94/15.98/15.9817.88/12.82/12.82192.62/152.39/152.390.70H22.99/16.81/16.8118.05/12.96/12.96185.17/145.99/145.990.75H22.75/16.63/16.6318.01/12.93/12.93165.10/130.05/130.050.80H21.64/15.77/15.7717.83/12.78/12.78134.42/105.82/105.820.85H18.89/13.61/13.6117.37/12.42/12.4295.14/74.88/74.880.90H14.13/9.88/9.8816.57/11.80/11.8052.80/41.55/41.550.95H6.69/4.02/4.0215.33/10.83/10.8316.23/12.77/12.771.00H-4.04/-4.41/-4.4113.55/9.42/9.420.00/0.00/0.00使用时池内无水：基本组合:1.27×池外土作用＋0.90×1.40×(温度作用＋地面活荷载)标准组合:1.00×池外土作用＋0.90×1.00×(温度作用＋地面活荷载)准永久组合:1.00×池外土作用＋1.00×温度作用＋0.50×地面活荷载设计值/标准值/准永久值位置竖向弯矩环向弯矩环向轴力0.00H-0.00/-0.00/-0.0012.80/9.14/10.16185.61/132.67/157.400.10H2.97/2.12/2.3513.29/9.49/10.556.81/3.99/15.730.20H8.09/5.78/6.4214.15/10.10/11.23-79.05/-58.31/-52.160.30H12.18/8.70/9.6814.83/10.59/11.77-108.99/-80.69/-75.690.40H14.85/10.58/11.8215.27/10.90/12.13-113.51/-84.87/-79.100.50H14.89/10.58/11.9015.28/10.90/12.14-109.25/-82.60/-75.810.60H14.35/10.15/11.5315.19/10.83/12.08-100.96/-77.04/-69.910.70H13.75/9.69/11.0815.09/10.76/12.00-85.35/-65.54/-59.210.75H13.68/9.65/11.0115.08/10.75/11.99-73.28/-56.38/-50.920.80H14.01/9.90/11.2215.13/10.79/12.03-58.08/-44.76/-40.440.85H14.99/10.67/11.9115.30/10.92/12.14-40.35/-31.13/-28.160.90H16.83/12.09/13.1915.60/11.16/12.35-22.11/-17.07/-15.460.95H19.77/14.37/15.2616.09/11.54/12.70-6.74/-5.21/-4.721.00H24.04/17.68/18.2916.80/12.09/13.20-0.00/-0.00/-0.00正常使用：基本组合:1.27×池内水作用＋1.27×池外土作用＋0.90×1.40×(温度作用＋地面活荷载)标准组合:1.00×池内水作用＋1.00×池外土作用＋0.90×1.00×(温度作用＋地面活荷载)准永久组合:1.00×池内水作用＋1.00×池外土作用＋1.00×温度作用＋0.50×地面活荷载设计值/标准值/准永久值位置竖向弯矩环向弯矩环向轴力0.00H0.00/0.00/0.0012.80/9.14/10.16181.76/129.64/154.370.10H2.97/2.12/2.3513.29/9.49/10.5542.69/32.24/43.990.20H8.07/5.76/6.4014.14/10.10/11.22-3.08/1.50/7.650.30H12.30/8.79/9.7714.85/10.61/11.787.58/11.09/16.100.40H15.78/11.32/12.5515.43/11.03/12.2542.09/37.65/43.420.50H17.06/12.29/13.6015.64/11.19/12.4278.08/64.90/71.680.60H18.47/13.40/14.7715.88/11.37/12.62101.46/82.34/89.470.70H19.06/13.87/15.2615.97/11.45/12.70102.35/82.25/88.580.75H18.90/13.75/15.1215.95/11.43/12.6892.55/74.19/79.640.80H18.25/13.24/14.5615.84/11.35/12.5876.12/60.92/65.230.85H16.61/11.94/13.1815.57/11.13/12.3554.31/43.40/46.370.90H13.82/9.73/10.8215.10/10.76/11.9630.32/24.21/25.820.95H9.45/6.25/7.1414.37/10.18/11.359.36/7.47/7.951.00H3.13/1.22/1.8213.32/9.34/10.460.00/0.00/0.00池壁配筋及裂缝、抗裂度验算:位置计算As配筋实际As裂缝宽度抗裂度竖向内侧500.0E16@1801117.00.06---竖向外侧500.0E16@1801117.00.06---环向内侧500.0E16@1801117.00.201.19环向外侧577.9E16@1801117.00.061.19池壁的竖向最大裂缝宽度:0.06<=0.20裂缝满足要求池壁的环向最大抗裂度:1.19<=act×ftk=1.75抗裂度满足要求池壁的环向最大裂缝宽度:0.20<=0.20裂缝满足要求底板内力计算方法:按《水池结构规程》6.2.4或6.2.5计算底板的计算半径:R=6.125m底板的约束条件:简支+池壁弯矩荷载组合：闭水实验：基本组合:S=1.20×8.66＋1.27×(5089.38／138.93－5089.38／113.10)=-0.